package test;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.lang.model.element.TypeElement;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.lang.reflect.Type;

public class Demo {
    public static void main(String[] args) throws ParserConfigurationException, IOException, SAXException {
        //得到DOM解析器的工厂实例
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        //从DOM工厂获得DOM解析器
        DocumentBuilder db = dbf.newDocumentBuilder();
        //解析XML文档,得到一个Document对象,即DOM树
        Document doc = db.parse("src/收藏信息.xml"); //收藏信息.xml为保存手机信息的xml文档
        //得到所有Brand节点列表信息
        NodeList brandList = doc.getElementsByTagName("Brand");
        //循环Brand信息
        for (int i = 0; i<brandList.getLength();i++){
            //获取第i个Brand元素信息
            Node brand = brandList.item(i);
            //获取第i个Brand元素的name属性的值
            Element element =(Element) brand;
            String attrValue = element.getAttribute("name");
            //获取第i个Brand元素的所有子元素的name属性值
            NodeList types = element.getChildNodes();
            for (int j=0;j<types.getLength();j++){
                Node typesNode = types.item(j);
                if (typesNode.getNodeType()==Node.ELEMENT_NODE) {
                    Element typeElement = (Element) types.item(j);
                    String type = typeElement.getAttribute("name");
                    System.out.println("手机:" + attrValue + type);
                }
            }
        }
    }
}
